ADPL42010A

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20V, 1A, Fast Transient Response LDO Regulator

数据手册 (Rev. 0) 产品选型表
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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概述

  • Optimized for Fast Transient Response
  • Output Current: 1A
  • Dropout Voltage: 400mV
  • Noise: 70μVRMS (10Hz to 100kHz)
  • 1mA Quiescent Current
  • No Protection Diodes Needed
  • Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V
  • Adjustable Output from 1.21V to 20V
  • <1μA Quiescent Current in Shutdown
  • Stable with 10μF Output Capacitor (see the Applications Information section)
  • Stable with Ceramic Capacitors (see the Applications Information section)
  • Reverse Battery Protection
  • No Reverse Current
  • Thermal Limiting
  • 3-Lead SOT-223 and 8-Lead SO Packages

The ADPL42010A is a low dropout regulator optimized for fast transient response. The device is capable of supplying 1A of output current with a dropout voltage of 400mV. Operating quiescent current is 1mA, dropping to <1μA in shutdown.

Output voltage range is from 1.21V to 20V. The ADPL42010A regulator is stable with output capacitors as low as 10μF. Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting and reverse current protection. The ADPL42010A is available in fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V, and as an adjustable device with a 1.21V reference voltage. The ADPL42010A regulator is available in 3-lead SOT-223 and 8-lead SO packages.

APPLICATIONS

  • 3.3V to 2.5V Logic Power Supplies
  • Post Regulator for Switching Supplies
ADPL42010A
20V, 1A, Fast Transient Response LDO Regulator
ADPL42010A Typical Application Circuit ADPL42010A Pin Configuration ADPL42010A Pin Configuration ADPL42010A Chip Illustration ADPL42010A Chip Illustration
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EVAL-ADPL42010AZ

Evaluating the ADPL42010A, 20V, 1A, Fast Transient Response LDO Regulator

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特性和优点

  • Evaluates the ADPL42010A in an 8-Lead SO Package
  • Maximum Output Current: 1A
  • Jumper programs output voltage according to the resistors set for the output voltage options: 1.2V, 1.5V, 1.8V, 2.5V, 3V, 3.3V, and 5V
  • Jumper turns the regulator on by connecting the SHDN pin to the INPUT pin or connecting the pin to a external supply to turn the regulator on or off
  • VIN, VOUT, and GND Test Points for Regulation and Dropout Voltage Monitoring
  • Component placeholder for a resistor connected to J2 that can modify the required output voltage of the user when the SENSE/ADJ pin connects to the output through a resistor divider

产品详情

The EVAL-ADPL42010AZ evaluation board evaluates the ADPL42010A, a 20V, 1A low dropout linear regulator that is optimized for fast transient response. Circuits designed with the ADPL42010A are used primarily in voltage-controlled oscillators, RF power supplies, and in larger systems, as local regulators. The ability to tolerate a wide variety of output capacitors makes the ADPL42010A ideal in space- and cost-sensitive systems.
EVAL-ADPL42010AZ
Evaluating the ADPL42010A, 20V, 1A, Fast Transient Response LDO Regulator
EVAL-ADPL42010AZ Evaluation Board Angle View EVAL-ADPL42010AZ Evaluation Board Top View EVAL-ADPL42010AZ Evaluation Board Bottom View

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